NtpMCFluxInfo.h

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// NtpMCFluxInfo
//
// NtpMCFluxInfo is an ntuple to hold the gnumi flux information
//
// Author: P. Vahle 11/05

#ifndef NTPMCFLUXINFO_H
#define NTPMCFLUXINFO_H

#include "TObject.h"

class NtpMCFluxInfo;
std::ostream &operator << (std::ostream& os, const NtpMCFluxInfo& mc);

class NtpMCFluxInfo : public TObject {

 public:
  // Constructors & Destructors
  NtpMCFluxInfo();
  virtual ~NtpMCFluxInfo() {}

  // State testing methods
  virtual std::ostream& Print(std::ostream& os) const;
  virtual void Print(const Option_t* option = "") const;


 public:
  // Ntuple is treated like a C-struct with public data members
  //these variables are a direct copy of the variables in REROOT_FluxInfo,
  // but I've gotten rid of the annoying m_ prefix
  //see gnumi doc for more precise description of variables:
  //http://enrico1.physics.indiana.edu/messier/gnumi/v17/ntuples.html

  Int_t      index;       // C index
  Int_t      fluxrun;     // gnumi flux run number
  Int_t      fluxevtno;   // gnumi flux event number
  Float_t    ndxdz;       // dx/dz slope, neutrino rndm decay
  Float_t    ndydz;       // dy/dz slope, neutrino rndm decay
  Float_t    npz;         // Pz of neutrino (GeV)  rndm decay
  Float_t    nenergy;     // E(neutrino)    (GeV)  rndm decay
  Float_t    ndxdznear;   // dx/dz slope, neutrino NearDet center
  Float_t    ndydznear;   // dy/dz slope, neutrino NearDet center
  Float_t    nenergynear; // E(neutrino)    (GeV)  NearDet center
  Float_t    nwtnear;     // Weight of nu          NearDet center
  Float_t    ndxdzfar;    // dx/dz slope, neutrino FarDet center
  Float_t    ndydzfar;    // dy/dz slope, neutrino FarDet center
  Float_t    nenergyfar;  // E(neutrino)    (GeV)  FarDet center
  Float_t    nwtfar;      // Weight of nu          FarDet center
  Int_t      norig;       // (ignore)
  Int_t      ndecay;      // Tag of decay mode
  Int_t      ntype;       // Neutrino type (translated to PDG)
  Float_t    vx;          // x vertex of hadron (cm)
  Float_t    vy;          // y vertex of hadron (cm)
  Float_t    vz;          // z vertex of hadron (cm)
  Float_t    pdpx;        // nu parent px at decay point
  Float_t    pdpy;        // nu parent py at decay point
  Float_t    pdpz;        // nu parent pz at decay point
  Float_t    ppdxdz;      // nu parent slope at production
  Float_t    ppdydz;      // nu parent slope at production
  Float_t    pppz;        // nu parent pz at production
  Float_t    ppenergy;    // nu parent energy at production
  Int_t      ppmedium;    // GEANT medium of nu parent at parent production
  Int_t      ptype;       // nu parent type (translated to PDG)
  Float_t    ppvx;        // nu parent production vtx x
  Float_t    ppvy;        // nu parent production vtx y
  Float_t    ppvz;        // nu parent production vtx z
  Float_t    muparpx;     // if parent=mu, hadron parent px
  Float_t    muparpy;     // if parent=mu, hadron parent py
  Float_t    muparpz;     // if parent=mu, hadron parent pz
  Float_t    mupare;      // if parent=mu, hadron parent energy
  Float_t    necm;        // E(nu) in parent cm
  Float_t    nimpwt;      // importance weight
  Float_t    xpoint;      // (unused)
  Float_t    ypoint;      // (unused)
  Float_t    zpoint;      // (unused)
  Float_t    tvx;         // target exit point (x) of parent
  Float_t    tvy;         // target exit point (y) of parent
  Float_t    tvz;         // target exit point (z) of parent
  Float_t    tpx;         // parent px at target exit
  Float_t    tpy;         // parent py at target exit
  Float_t    tpz;         // parent pz at target exit
  Int_t      tptype;      // parent particle type (translated to PDG)
  Int_t      tgen;        // parent generation in cascade
  // above is NEUTRINO block, below is NUGPINFO block from gnumi flux ntuples
  Int_t      tgptype;     // parent type of particle out of target (PDG)
  Float_t    tgppx;       // px of particle off the target at interaction
  Float_t    tgppy;       // py of particle off the target at interaction
  Float_t    tgppz;       // pz of particle off the target at interaction
  Float_t    tprivx;      // primary particle interaction vtx x
  Float_t    tprivy;      // primary particle interaction vtx y
  Float_t    tprivz;      // primary particle interaction vtx z
  Float_t    beamx;       // primary proton orgin x
  Float_t    beamy;       // primary proton orgin y
  Float_t    beamz;       // primary proton orgin z
  Float_t    beampx;      // primary proton px
  Float_t    beampy;      // primary proton py
  Float_t    beampz;      // primary proton pz

  ClassDef(NtpMCFluxInfo,2)
};

#endif // NTPMCFLUXINFO_H

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